Turnbull Griffin Haesloop
Turnbull Griffin Haesloop, operating as TGH Architects, is a Berkeley-based boutique architecture firm founded in 1979 specializing in sustainable custom residential and community projects, including Passive House and net-zero designs, serving individual homeowners and institutional clients across Northern California.
- Company typePrivate
- Founded1979
- HeadquartersBerkeley, United States
- Headcount1–10
- GTM typeB2B and B2C
- OfferingServices
Turnbull Griffin Haesloop firmographics
Firmographics- Name
- Turnbull Griffin Haesloop
- Legal name
- Turnbull Griffin Haesloop
- Website
- https://tgharchitects.com
- Company type
- Private
- Founded year
- 1979
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Turnbull Griffin Haesloop, operating as TGH Architects, is a Berkeley-based boutique architecture firm founded in 1979 specializing in sustainable custom residential and community projects, including Passive House and net-zero designs, serving individual homeowners and institutional clients across Northern California.
- Ownership category
- akta.pro rank
Turnbull Griffin Haesloop industry classification
Industry- Product category
- Architectural Services
- NAICS
- Architectural Services (541310), Architectural Services (54131), Residential Remodelers (236118)
- SIC
- General Bldg Contractors - Residential Bldgs (1520)
- akta.pro primary industry
- Community Engagement & Participatory Planning (BPAHAKAO)
- akta.pro secondary industries
- Residential Design-Build & Renovation-Integrated Builders (IMAFABAE), Independent Living Community Development & Construction (Senior Housing Developers) (HLADAAAH)
Keywords
Where Turnbull Griffin Haesloop is headquartered
LocationHeadquarters
- HQ city
- Berkeley
- HQ country
- United States
- HQ region
- North America
Markets served
Turnbull Griffin Haesloop business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales
Revenue model
- Architecture Services: Fee-based professional services for custom residential and community architecture projects. Revenue is generated through project-based engagements including design, documentation, and construction administration services for individual homeowners, institutional clients, and affordable housing developers.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Turnbull Griffin Haesloop product offering
Product offeringCore offering
Turnbull Griffin Haesloop (TGH Architects) is a California-based architecture firm providing custom residential architecture (new homes, remodels, additions, guesthouses, accessory dwelling units) and community/consulting services (affordable and senior housing, faculty housing, institutional projects). The firm specializes in sustainable design strategies including Passive House Institute standards, net-zero energy performance, SIPS panel construction, and rainwater catchment systems, with projects concentrated across Northern California.
Product overview
Turnbull Griffin Haesloop is an architecture firm offering two primary service areas: Residential Architecture (custom homes, remodels, and additions) and Community + Consulting (affordable housing, faculty housing, and institutional projects). The firm's portfolio spans numerous residential projects across California locations including Sea Ranch, Sonoma, Mill Valley, Sausalito, Stinson Beach, San Francisco, Lake Tahoe, Colorado, and Piedmont.
Differentiator
Problem solved
Functional benefit
Products and services
- Residential Architecture
- Community + Consulting Community-focused architectural projects and consulting services including affordable housing developments, senior housing, faculty housing, and institutional building design for schools, developers, and public agencies.
Quantifiable outcome
- 70% energy consumption reduction through Passive House strategies
- +2 more outcomes
Companies that use Turnbull Griffin Haesloop
Customer profileNamed customers4 records
Segments3 records
Ideal customer profiles3 records
Turnbull Griffin Haesloop technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Turnbull Griffin Haesloop partnerships and signals
Strategic signalRecent moves4 records
Expansion highlights3 records
Turnbull Griffin Haesloop competitors and assessment
Company assessmentDirect peers
- Studio Schicketanz: California-based architecture studio focused on sustainable, site-responsive custom residential design with deep expertise in Passive House and net-zero performance. Closely comparable to TGH in sustainability credentials and California residential focus.
- Marmol Radziner: Los Angeles-based architecture and construction firm specializing in sustainable modern residential design with integrated design-build capabilities. Directly comparable to TGH in California custom residential, sustainability focus, and indoor-outdoor living emphasis.
- Bohlin Cywinski Jackson: Architecture firm with strong residential portfolio alongside civic and commercial work, known for site-responsive, sustainable design. Comparable to TGH in design philosophy and custom residential work, though operating at larger scale and broader portfolio.
- CCS Architecture: Bay Area architecture firm with a strong portfolio of custom modern residential projects emphasizing indoor-outdoor living and sustainability. Comparable to TGH in Northern California geography, custom residential services, and design vocabulary.
- Olson Kundig: Seattle-based architecture firm known for custom residential and sustainable design with strong craft and site-responsive philosophy. Directly comparable to TGH as a boutique, design-led practice emphasizing high-performance, custom homes with deep integration to landscape.
- Feldman Architecture: San Francisco architecture practice specializing in custom residential design, remodels, and net-zero energy homes in urban and coastal California settings. Directly comparable in geography, sustainability emphasis, and custom residential services.
- Lake|Flato Architects: Texas-based architecture firm with nationally recognized sustainable residential and community design practice. Comparable to TGH in sustainability-first design ethos, residential specialization, and integration of vernacular and site-driven architecture.
- Aidlin Darling Design: Bay Area architecture studio recognized for award-winning residential and winery projects emphasizing craft, sustainability, and site integration. Closely comparable to TGH in Northern California geography, custom residential focus, and design philosophy rooted in landscape.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks1 record
Key highlights6 records
Customer concentration
Turnbull Griffin Haesloop social profiles
Digital presenceTurnbull Griffin Haesloop compliance and trust
Trust signalCompliance1 record
Turnbull Griffin Haesloop financial estimates
Financial estimateRevenue estimate
Valuation estimate
Turnbull Griffin Haesloop leadership team
Management profileNumber of profiles
Profiles3 records
Turnbull Griffin Haesloop funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Turnbull Griffin Haesloop M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Turnbull Griffin Haesloop
What does Turnbull Griffin Haesloop do?
Turnbull Griffin Haesloop (TGH Architects) is a California-based architecture firm providing custom residential architecture (new homes, remodels, additions, guesthouses, accessory dwelling units) and community/consulting services (affordable and senior housing, faculty housing, institutional projects). The firm specializes in sustainable design strategies including Passive House Institute standards, net-zero energy performance, SIPS panel construction, and rainwater catchment systems, with projects concentrated across Northern California.
Is Turnbull Griffin Haesloop a public or private company?
Turnbull Griffin Haesloop is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Turnbull Griffin Haesloop founded?
Turnbull Griffin Haesloop was founded in 1979. It employs 1 to 10 people.
Where is Turnbull Griffin Haesloop based?
Turnbull Griffin Haesloop is headquartered in Berkeley, United States, in the North America region.
How does Turnbull Griffin Haesloop make money?
One revenue line is on record: architecture Services.
Who are Turnbull Griffin Haesloop's main competitors?
Direct peers on record are Studio Schicketanz, Marmol Radziner, Bohlin Cywinski Jackson, CCS Architecture, Olson Kundig, Feldman Architecture, Lake|Flato Architects and Aidlin Darling Design.
Does Turnbull Griffin Haesloop have an API?
No public API is recorded for Turnbull Griffin Haesloop.
What industry is Turnbull Griffin Haesloop in?
Turnbull Griffin Haesloop's product category is Architectural Services. Its primary akta.pro industry code is BPAHAKAO, Community Engagement & Participatory Planning, with a secondary code of IMAFABAE, Residential Design-Build & Renovation-Integrated Builders. Its NAICS code is 541310 and its SIC code is 1520.